1,4

R. C. Read and R. J. Wilson, An Atlas of Graphs, Oxford, 1998.

Cf. A005142, A049336.

Adjacent sequences: A021100 A021101 A021102 this_sequence A021104 A021105 A021106

Sequence in context: A108239 A028858 A058106 this_sequence A001902 A068100 A012821

nonn

Brendan McKay (bdm(AT)cs.anu.edu.au)